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1642899159
On systems such as Alpine Linux (with busybox) and Adelie Linux (with
coreutils), the shell core utilities such as pwd, true, false, env, and
yes are all symlinks to a single binary. This single binary relies on
the name of the symlink to determine which command ("applet" in busybox
parlance) to execute. Therefore creating symlinks to these symlinks will
not work since the single binary will only see the top-level symlink and
thus think it is an invalid command.
Instead, generate executable shell scripts that exec into the desired
command. This also allows $PATH based resolution to occur instead of
hard-coding the command paths.
See also issue #94.
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
///
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/// Copyright 2018 Oliver Giles
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///
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/// This file is part of Laminar
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///
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/// Laminar is free software: you can redistribute it and/or modify
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/// it under the terms of the GNU General Public License as published by
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/// the Free Software Foundation, either version 3 of the License, or
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/// (at your option) any later version.
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///
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/// Laminar is distributed in the hope that it will be useful,
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/// but WITHOUT ANY WARRANTY; without even the implied warranty of
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/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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/// GNU General Public License for more details.
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///
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/// You should have received a copy of the GNU General Public License
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/// along with Laminar. If not, see <http://www.gnu.org/licenses/>
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///
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#include <gtest/gtest.h>
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#include "run.h"
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#include "log.h"
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#include "node.h"
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#include "conf.h"
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#include "tempdir.h"
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class RunTest : public testing::Test {
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protected:
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RunTest() :
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testing::Test(),
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node(std::make_shared<Node>()),
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tmp(),
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run("foo", ParamMap{}, tmp.path.clone())
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{
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}
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~RunTest() noexcept {}
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void wait() {
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int state = -1;
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waitpid(run.current_pid.orDefault(0), &state, 0);
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run.reaped(state);
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}
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void runAll() {
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while(!run.step())
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wait();
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}
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std::string readAllOutput() {
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std::string res;
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char tmp[64];
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for(ssize_t n = read(run.output_fd, tmp, 64); n > 0; n = read(run.output_fd, tmp, 64))
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res += std::string(tmp, n);
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// strip the first "[laminar] executing.. line
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return strchr(res.c_str(), '\n') + 1;
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}
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StringMap parseFromString(std::string content) {
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char tmp[16] = "/tmp/lt.XXXXXX";
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int fd = mkstemp(tmp);
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write(fd, content.data(), content.size());
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close(fd);
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StringMap map = parseConfFile(tmp);
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unlink(tmp);
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return map;
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}
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std::shared_ptr<Node> node;
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TempDir tmp;
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class Run run;
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void setRunLink(const char * path) {
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KJ_IF_MAYBE(f, tmp.fs->tryOpenFile(kj::Path{"cfg", "jobs", run.name + ".run"},
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kj::WriteMode::CREATE | kj::WriteMode::CREATE_PARENT | kj::WriteMode::EXECUTABLE)) {
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(f->get())->writeAll(std::string("#!/bin/sh\nexec ") + path + "\n");
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}
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}
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};
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TEST_F(RunTest, WorkingDirectory) {
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setRunLink("pwd");
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run.configure(1, node, *tmp.fs);
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runAll();
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std::string cwd{tmp.path.append(kj::Path{"run","foo","1"}).toString(true).cStr()};
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EXPECT_EQ(cwd + "\n", readAllOutput());
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}
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TEST_F(RunTest, SuccessStatus) {
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setRunLink("true");
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run.configure(1, node, *tmp.fs);
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runAll();
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EXPECT_EQ(RunState::SUCCESS, run.result);
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}
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TEST_F(RunTest, FailedStatus) {
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setRunLink("false");
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run.configure(1, node, *tmp.fs);
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runAll();
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EXPECT_EQ(RunState::FAILED, run.result);
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}
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TEST_F(RunTest, Environment) {
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setRunLink("env");
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run.configure(1234, node, *tmp.fs);
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runAll();
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std::string ws{tmp.path.append(kj::Path{"run","foo","workspace"}).toString(true).cStr()};
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std::string archive{tmp.path.append(kj::Path{"archive","foo","1234"}).toString(true).cStr()};
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StringMap map = parseFromString(readAllOutput());
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EXPECT_EQ("1234", map["RUN"]);
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EXPECT_EQ("foo", map["JOB"]);
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EXPECT_EQ("success", map["RESULT"]);
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EXPECT_EQ("unknown", map["LAST_RESULT"]);
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EXPECT_EQ(ws, map["WORKSPACE"]);
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EXPECT_EQ(archive, map["ARCHIVE"]);
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}
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TEST_F(RunTest, ParamsToEnv) {
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setRunLink("env");
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run.params["foo"] = "bar";
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run.configure(1, node, *tmp.fs);
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runAll();
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StringMap map = parseFromString(readAllOutput());
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EXPECT_EQ("bar", map["foo"]);
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}
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TEST_F(RunTest, Abort) {
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setRunLink("yes");
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run.configure(1, node, *tmp.fs);
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run.step();
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usleep(200); // TODO fix
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run.abort(false);
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wait();
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EXPECT_EQ(RunState::ABORTED, run.result);
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}
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